Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    08/05/2026, 18:15

General

  • Target
    2026-05-08_9e642b23279a02db2475ee506530ac4f_cobalt-strike_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
  • Size 1.2MB
  • Sample260508-wv851aby21
  • SHA256 b35873f3e77517333b0085c9ba3392f0de3e67ce12a0f92a9c864e44aa2c712e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 4 IoCs
  • Executes dropped EXE 4 IoCs
  • Modifies system executable filetype association 2 TTPs 6 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-08_9e642b23279a02db2475ee506530ac4f_cobalt-strike_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-08_9e642b23279a02db2475ee506530ac4f_cobalt-strike_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5804
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Executes dropped EXE
      PID:5484
    • C:\Users\Admin\Documents\diagnostics\shost.exe
      "C:\Users\Admin\Documents\diagnostics\shost.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        PID:4892
    • C:\Users\Admin\AppData\Local\Temp\2026-05-08_9e642b23279a02db2475ee506530ac4f_cobalt-strike_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe
      "C:\Users\Admin\AppData\Local\Temp\2026-05-08_9e642b23279a02db2475ee506530ac4f_cobalt-strike_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe"
      2⤵
      • Executes dropped EXE
      PID:4888

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX19C0.tmp

        • Path C:\Program Files\7-Zip\RCX19C0.tmp
        • Size 377KB
        • SHA256 71b29f8c2705d92fb64dd96ac4afec5ede4e4b439749a117536d033ef691fbd6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-05-08_9e642b23279a02db2475ee506530ac4f_cobalt-strike_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-08_9e642b23279a02db2475ee506530ac4f_cobalt-strike_icedid_njrat_ryuk_satacom_stealc_vidar_xworm..exe
        • Size 852KB
        • SHA256 93b5ed92437d8e2ba2a2b194b11a089e00eb99d6b88d53b504e98b517dac066c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        050678868841.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\050678868841.ico
        • Size 1KB
        • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
        • MD5 SHA1 SHA512 TLSH

        162216915510..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\162216915510..exe
        • Size 1.4MB
        • SHA256 e6adb24c63c2622f76ed91b2def9498074716f5e154dd483b3469848e38174af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        185658199518.exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\185658199518.exe
        • Size 4.1MB
        • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        382654214578.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\382654214578.ico
        • Size 1KB
        • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
        • MD5 SHA1 SHA512 TLSH

        442932371953.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\442932371953.ico
        • Size 1KB
        • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
        • MD5 SHA1 SHA512 TLSH

        469342438163.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\469342438163.ico
        • Size 1KB
        • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
        • MD5 SHA1 SHA512 TLSH

        502584417667..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\502584417667..exe
        • Size 1.4MB
        • SHA256 1724f2173c7307bea75bb4621bf7f52b673393f8bd2b77ee8308d3061eabe271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        565907300735..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\565907300735..exe
        • Size 263KB
        • SHA256 66bf24b6a4a645bb814a8d44de5cb98ff544aa24c8acc843d21337260f6f5d43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        608657466208.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\608657466208.ico
        • Size 1KB
        • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
        • MD5 SHA1 SHA512 TLSH

        613449805978..exe

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\613449805978..exe
        • Size 107KB
        • SHA256 16f7ddaa4944632505f557d45ade328911169a7af17599a71ffe7edfa5eb5f51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        766858715802.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\766858715802.ico
        • Size 1KB
        • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
        • MD5 SHA1 SHA512 TLSH

        775120500565.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\775120500565.ico
        • Size 1KB
        • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
        • MD5 SHA1 SHA512 TLSH

        835354012750.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\835354012750.ico
        • Size 1KB
        • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
        • MD5 SHA1 SHA512 TLSH

        849303204383.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\849303204383.ico
        • Size 1KB
        • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
        • MD5 SHA1 SHA512 TLSH

        861965339619.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\861965339619.ico
        • Size 1KB
        • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
        • MD5 SHA1 SHA512 TLSH

        922881796767.ico

        • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\922881796767.ico
        • Size 1KB
        • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
        • MD5 SHA1 SHA512 TLSH

        audiodg.exe

        • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
        • Size 62KB
        • SHA256 93ee8e2d234c31b8c7bf4f9c1855d2a1bbad9f3622e8dbf5a571629ff8813977
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\Users\Admin\Documents\diagnostics\shost.exe
        • Size 375KB
        • SHA256 846d6fe360199b35e67e0a27fd7009c92cb2e1ed158669f5b5c71431eaedea1f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logs.txt

        • Path C:\Users\Admin\Documents\logs.txt
        • Size 4KB
        • SHA256 2a01d8e8e9e7688baae182d41336e8dc6229551a7c10305cade0b0b6eaa2d54d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4728-4365-0x0000000002080000-0x00000000020DD000-memory.dmp

        memory/4728-5047-0x0000000002080000-0x00000000020DD000-memory.dmp

        memory/4888-17-0x000001AEB3290000-0x000001AEB32ED000-memory.dmp

        memory/4892-166-0x0000000000B80000-0x0000000000BB1000-memory.dmp

        memory/5484-14-0x0000000000570000-0x0000000000586000-memory.dmp

        memory/5484-167-0x0000000001300000-0x0000000001331000-memory.dmp

        memory/5804-16-0x0000000002060000-0x00000000020BD000-memory.dmp